An eight-year veteran, Alonso, 30, has already equaled his career high of nine home runs in 2012 with San Diego. Also played in 155 games to reach that total, and has nine homers in 30 games this season for the A’s.

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Speaking to reporters following the win over Detroit on Saturday, Alonso said he was trying to keep things simple and get good pitches to hit.

“I’m just going to continue to work, stay focused and help my team any way I can,” Alonso said.

A’s manager Bob Melvin said Alonso has gotten his lower body in synch with his swing and created more power.

“He’s made some slight mechanical adjustments,” Melvin said. “He’s a hard working guy and has a routine he sticks with every day. It’s a little more complicated than he makes it sound sometimes . . . we thought maybe his leg kick was a little too high. He still has a little bit of a kick but it’s keeping him back. Whenever you see the ball jump off your bat a little differently it means you’re losing your lower half while you’re making contact.”